Butterscotch brownies

Ingredients (makes about 18)
225g butter
400g Brown sugar
3 eggs
10ml vanilla extract
240g self raising flour
50g choc chips

* heat oven to 180C
* melt the butter in a large pan then add the sugar and mix well
* allow to cool a little, then beat in the egg and vanilla
* sift in the flour and mix well, then stir in the choc chips (or chopped nuts if you prefer)
* pour the mixture into a greased brownie tin and bake for 30 minutes